Saga of Superfluid Solids

Abstract

The article presents the state-of-the-art and reviews the literature on the long-standing problem of the possibility for a sample to be at the same time solid and superfluid. Theoretical models, numerical simulations, and experimental results are discussed.

Latex file, 26 pages

References in corpus (33)

• Transient supersolid properties in an array of dipolar quantum droplets
• Long-lived and transient supersolid behaviors in dipolar quantum gases
• Low Temperature Shear Modulus Changes in Solid 4-He and Connection to Supersolidity
• Luttinger Liquid in the Core of Screw Dislocation in Helium-4
• Oscillation Frequency Dependence of Non-Classical Rotation Inertia of Solid ${}^4$He
• Observation of Unusual Mass Transport in Solid hcp 4He
• Ring exchanges and the supersolid phase of 4He
• The fate of vacancy-induced supersolidity in 4He
• Observation of non-classical rotational inertia in bulk solid 4He
• Nonclassical Rotational Inertia in Single Crystal Helium
• Coexisting ordinary elasticity and superfluidity in a model of defect-free supersolid
• Probing the Upper Limit of Nonclassical Rotational Inertia
• Thermal History of Solid 4He Under Oscillation
• Bose Einstein Condensation of incommensurate solid 4He
• Thermodynamic Evidence for Nanoscale Bose-Einstein Condensation in ^4He Confined in Nanoporous Media
• Non-linear Elastic Response in Solid Helium: critical velocity or strain
• Bose-Einstein Condensate in Solid Helium
• Interplay of Rotational, Relaxational, and Shear Dynamics in Solid 4He
• Upper limit of supersoldity in solid helium
• Search for Superfluidity in Solid Hydrogen
• Absence of low temperature anomaly in the Debye-Waller factor of solid He-4
• Binding of a 3He impurity to a screw dislocation in solid 4He
• Quantum Plasticity and Supersolid Response in Helium-4
• Evidence for a High-Temperature Disorder-Induced Mobility in Solid ${}^4$He
• Dissipative superfluid mass flux through solid 4He
• A glassy contribution to the heat capacity of hcp ${}^4$He solids
• Frequency-dependent Study of Solid Helium-4 Contained in a Rigid Double-torus Torsional Oscillator
• Superfluidity versus localization in bulk 4He at zero temperature
• Finite size Berezinski-Kosterlitz-Thouless transition at grain boundaries in solid ${}^4$He and role of ${}^3$He impurities
• Search for supersolid 4He in neutron scattering experiments at ISIS
• Quantum plasticity and dislocation-induced supersolidity
• Roton-like mode in solid He-4
• Surface instability and isotopic impurities in quantum solids